31013113103013 has 8 divisors (see below), whose sum is σ = 42684714808576. Its totient is φ = 20008460066400.

The previous prime is 31013113103009. The next prime is 31013113103029. The reversal of 31013113103013 is 31030131131013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31013113103013 - 2² = 31013113103009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013113113013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166737167128 + ... + 166737167313.

It is an arithmetic number, because the mean of its divisors is an integer number (5335589351072).

Almost surely, 2^{31013113103013} is an apocalyptic number.

It is an amenable number.

31013113103013 is a deficient number, since it is larger than the sum of its proper divisors (11671601705563).

31013113103013 is a wasteful number, since it uses less digits than its factorization.

31013113103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333474334475.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 31013113103013 its reverse (31030131131013), we get a palindrome (62043244234026).

The spelling of 31013113103013 in words is "thirty-one trillion, thirteen billion, one hundred thirteen million, one hundred three thousand, thirteen".